glaciation
glaciation 英 [ˌgleɪsiˈeɪʃn] 美 [ˌɡleɪsiˈeɪʃn]
n. [地质] 冰川作用；冻结成冰
名词复数:glaciations
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- n. [地质] 冰川作用；冻结成冰
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1. There's still plenty of mystery surrounding snowball Earth—aka the Sturtian glaciation—Macdonald said.
Francis Macdonald提到，对于“雪球地球”仍然有许多不解之处--正如我们所知的图特冰川作用。
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2. These changes alter the intensity of sunlight hitting the Earth at high latitudes, and so affect the extent of glaciation.
这些变化改变了高纬度区域的日照强度，由此影响了冰河作用的范围。
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3. Besides the Bow Valley, evidence of glaciation also appears in this image south of the lake, in the amphitheater-shaped cirque.
除了被迷你汪卡湖占据的弓河谷外，冰川作用的证据还可以在南部的圆形冰斗处找到。
- glaciation (n.) 1640s, "act of freezing," noun of action from past participle stem of Latin glaciare "to freeze," from glacies "ice" (probably from a suffixed form of PIE root *gel- "cold; to freeze"). Geological sense of "presence of a mass of ice covering a region" is from 1863.
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